{"domain":"nyu.edu","result":true,"measuredAt":"2026-11-02T14:47:43.180Z","receiptId":"seStJrSwVm","answer":{"kind":"host","input":"nyu.edu","report":{"host":"nyu.edu","checkedAt":"2026-11-02T14:47:43.136Z","a":{"status":"found","values":["216.165.61.24"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.nyu.edu","a":{"status":"found","values":["13.226.238.11","13.226.238.107","13.226.238.10","13.226.238.112"],"ttl":60,"via":"Cloudflare","cname":["d1q5ku5vnwkd2k.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:201f:a400:1:f7e2:cb00:93a1","2600:9000:201f:3e00:1:f7e2:cb00:93a1","2600:9000:201f:b400:1:f7e2:cb00:93a1","2600:9000:201f:9a00:1:f7e2:cb00:93a1","2600:9000:201f:5000:1:f7e2:cb00:93a1","2600:9000:201f:8800:1:f7e2:cb00:93a1","2600:9000:201f:c200:1:f7e2:cb00:93a1","2600:9000:201f:6800:1:f7e2:cb00:93a1"],"ttl":60,"via":"Cloudflare","cname":["d1q5ku5vnwkd2k.cloudfront.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"nyu.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.nyu.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:201f:a400:1:f7e2:cb00:93a1","result":"answers","port":443},{"address":"2600:9000:201f:3e00:1:f7e2:cb00:93a1","result":"answers","port":443},{"address":"2600:9000:201f:b400:1:f7e2:cb00:93a1","result":"answers","port":443},{"address":"2600:9000:201f:9a00:1:f7e2:cb00:93a1","result":"answers","port":443},{"address":"2600:9000:201f:5000:1:f7e2:cb00:93a1","result":"not tested"},{"address":"2600:9000:201f:8800:1:f7e2:cb00:93a1","result":"not tested"},{"address":"2600:9000:201f:c200:1:f7e2:cb00:93a1","result":"not tested"},{"address":"2600:9000:201f:6800:1:f7e2:cb00:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mxa-00256a01.gslb.pphosted.com","ipv6":false},{"host":"mxb-00256a01.gslb.pphosted.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns4.nyu.edu","ipv6":false},{"host":"ns1.nyu.net","ipv6":true},{"host":"ns2.nyu.org","ipv6":true}]}]}},"states":[{"firstSeen":"2026-11-02T14:47:43.180Z","lastConfirmed":"2026-11-02T14:47:43.180Z","checks":1,"verdict":"ipv4-only","grade":"D","web":"fail","www":"pass","mail":"fail","dns":"pass","secondLook":null}]}